Inventor
David P. Sharp
Inventor
Houston, TX, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling25%
H04BTransmission8%
F24HFluid heaters, e.g. water or air heaters, having heat-generating means, e.g. heat pumps, in general4%
G01CMeasuring distances, levels or bearings4%
G01DMeasuring not specially adapted for a specific variable4%
G01SRadio direction-finding4%
G01VGeophysics4%
G02BOptical elements, systems or apparatus4%
G05DSystems for controlling or regulating non-electric variables4%
G06FElectric digital data processing4%
PatentTitleYear
9,945,979Acoustic sensor metadata dubbing channel20189,608,627'Well tool having optical triggering device for controlling electrical power delivery'20179,512,717'Downhole time domain reflectometry with optical components'20169,127,532'Optical casing collar locator systems and methods'20158,566,023'Missing child reporting, tracking and recovery method and system'20136,581,700'Formation cutting method and system'20036,386,300'Formation cutting method and system'20026,246,831'Fluid heating control system'20014,885,482'Multiple computer interface circuit board'19894,867,776'Apparatus for and method of forming integral lenses on optical fibers'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989Patents assigned to COMPAQ COMPUTER CORP (2)· patent assignee history
1989–2018Based in Houston, TX, US· patent location history
2001Patents assigned to DAVID SEITZ (1)· patent assignee history
2002–2003Patents assigned to CURLETT FAMILY LTD PARTNERSHIP (2)· patent assignee history
2013–2015Patents assigned to SHARP DAVID P (2)· patent assignee history
2015–2018Patents assigned to HALLIBURTON ENERGY SERVICES INC (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HALLIBURTON ENERGY SERVICES INC | 4 | 2015–2018 |
| COMPAQ COMPUTER CORP | 2 | 1989 |
| CURLETT FAMILY LTD PARTNERSHIP | 2 | 2002–2003 |
| SHARP DAVID Pself | 2 | 2013–2015 |
| DAVID SEITZ | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 10 | 1989–2018 |